1/1×2+1/2×3+1/3×4+4/4×5+1/5×6 का योगफल होगा -

  • 1

    𝟐/𝟏𝟑

  • 2

    𝟑/𝟏𝟑

  • 3

    𝟓/𝟏𝟐

  • 4

    𝟓/𝟔

Answer:- 4

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